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Serenity Operating System
1/*
2 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
22 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include "BoardListModel.h"
28#include <AK/JsonArray.h>
29#include <AK/JsonObject.h>
30#include <AK/JsonValue.h>
31#include <LibCore/HttpRequest.h>
32#include <LibCore/NetworkJob.h>
33#include <LibCore/NetworkResponse.h>
34#include <stdio.h>
35
36BoardListModel::BoardListModel()
37{
38 update();
39}
40
41BoardListModel::~BoardListModel()
42{
43}
44
45void BoardListModel::update()
46{
47 Core::HttpRequest request;
48 request.set_url("http://a.4cdn.org/boards.json");
49
50 if (m_pending_job)
51 m_pending_job->cancel();
52 m_pending_job = request.schedule();
53
54 m_pending_job->on_finish = [this](bool success) {
55 auto* response = m_pending_job->response();
56 dbg() << "Board list download finished, success=" << success << ", response=" << response;
57
58 if (!success)
59 return;
60
61 dbg() << "Board list payload size: " << response->payload().size();
62
63 auto json = JsonValue::from_string(response->payload());
64
65 if (json.is_object()) {
66 auto new_boards = json.as_object().get("boards");
67 if (new_boards.is_array())
68 m_boards = move(new_boards.as_array());
69 }
70
71 did_update();
72 };
73}
74
75int BoardListModel::row_count(const GUI::ModelIndex&) const
76{
77 return m_boards.size();
78}
79
80String BoardListModel::column_name(int column) const
81{
82 switch (column) {
83 case Column::Board:
84 return "Board";
85 default:
86 ASSERT_NOT_REACHED();
87 }
88}
89
90GUI::Model::ColumnMetadata BoardListModel::column_metadata([[maybe_unused]] int column) const
91{
92 return {};
93}
94
95GUI::Variant BoardListModel::data(const GUI::ModelIndex& index, Role role) const
96{
97 auto& board = m_boards.at(index.row()).as_object();
98 if (role == Role::Display) {
99 switch (index.column()) {
100 case Column::Board:
101 return String::format("/%s/ - %s",
102 board.get("board").to_string().characters(),
103 board.get("title").to_string().characters());
104 default:
105 ASSERT_NOT_REACHED();
106 }
107 }
108 if (role == Role::Custom) {
109 switch (index.column()) {
110 case Column::Board:
111 return board.get("board").to_string();
112 default:
113 ASSERT_NOT_REACHED();
114 }
115 }
116 return {};
117}